<!--********************************************************************
* Copyright© 2000 - 2025 SuperMap Software Co.Ltd. All rights reserved.
*********************************************************************-->
<!--********************************************************************
* 该示例需要引入 
* Mapv (https://github.com/huiyan-fe/mapv)
*********************************************************************-->
<!DOCTYPE html>
<html lang="en-US">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=Edge">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">

    <title data-i18n="resources.title_mapvQianxi"></title>
    <style>
        body {
            margin: 0;
            padding: 0;
        }

        #map {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 100%;
        }
        .mapboxgl-popup-close-button {
          outline: none;
        }
    </style>
    <script type="text/javascript" include="jquery" src="../js/include-web.js"></script>
    <script type="text/javascript" include="mapv" src="../../dist/mapboxgl/include-mapboxgl.js"></script>
</head>
<body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%">
<div id="map"></div>
<script type="text/javascript">
    var attribution = "<a href='https://www.mapbox.com/about/maps/' target='_blank'>© Mapbox </a>" +
            " with <span>© <a href='https://iclient.supermap.io' target='_blank'>SuperMap iClient</a> | </span>" +
            " Map Data <span>© <a href='http://support.supermap.com.cn/product/iServer.aspx' target='_blank'>SuperMap iServer</a> | </span>" +
            "<a href='https://mapv.baidu.com' target='_blank'>© 2018 百度 MapV</a>";
    var host = window.isLocal ? window.server : "https://iserver.supermap.io";
    var tileURL = host + "/iserver/services/map-china/rest/maps/ChinaDark/zxyTileImage.png?z={z}&x={x}&y={y}";
    var map = new mapboxgl.Map({
        container: 'map',
        style: {
            "version": 8,
            "sources": {
                "raster-tiles": {
                    "attribution": attribution,
                    "type": "raster",
                    "tiles": [tileURL],
                    "tileSize": 256,
                },
            },
            "layers": [{
                "id": "simple-tiles",
                "type": "raster",
                "source": "raster-tiles",
                "minzoom": 0,
                "maxzoom": 22
            }]
        },
        center: [112, 37.94],
        zoom: 4
    });
    map.addControl(new mapboxgl.NavigationControl(), 'top-left');
    map.addControl(new mapboxgl.supermap.LogoControl({ link: "https://iclient.supermap.io" }), 'bottom-right');
    map.setPitch(60);
    new mapboxgl.Popup({closeOnClick: false})
        .setLngLat(map.getCenter())
        .setHTML(resources.text_iClient)
        .addTo(map);

    $.get('../data/china.json', function (geojson) {

        var geojsonOptions = {
            gradient: {
                0: 'rgba(55, 50, 250, 0.4)',
                1: 'rgba(55, 50, 250, 1)'
            },
            max: 354551,
            draw: 'intensity'
        };

        var geojsonDataSet = mapv.geojson.getDataSet(geojson);

        var to = '北京';

        var qianxi = new mapv.DataSet([
            {
                from: '河北',
                count: 354551,
                to: to,
            },
            {
                from: '天津',
                count: 97323,
                to: to,
            },
            {
                from: '山东',
                count: 28664,
                to: to,
            },
            {
                from: '山西',
                count: 16650,
                to: to,
            },
            {
                from: '辽宁',
                count: 14379,
                to: to,
            },
            {
                from: '河南',
                count: 10980,
                to: to,
            },
            {
                from: '内蒙古自治区',
                count: 9603,
                to: to,
            },
            {
                from: '江苏',
                count: 4536,
                to: to,
            },
            {
                from: '上海',
                count: 3556,
                to: to,
            },
            {
                from: '广东',
                count: 2600,
                to: to,
            },
        ]);

        var qianxiData = qianxi.get();

        var lineData = [];
        var pointData = [];
        var textData = [];
        var timeData = [];

        var citys = {}

        for (var i = 0; i < qianxiData.length; i++) {
            var fromCenter = mapv.utilCityCenter.getCenterByCityName(qianxiData[i].from);
            var toCenter = mapv.utilCityCenter.getCenterByCityName(qianxiData[i].to);
            if (!fromCenter || !toCenter) {
                continue;
            }
            citys[qianxiData[i].from] = qianxiData[i].count;
            citys[qianxiData[i].to] = 100;
            pointData.push(
                {
                    geometry: {
                        type: 'Point',
                        coordinates: [fromCenter.lng, fromCenter.lat]
                    }
                }
            );
            pointData.push(
                {
                    geometry: {
                        type: 'Point',
                        coordinates: [toCenter.lng, toCenter.lat]
                    }
                }
            );
            textData.push(
                {
                    geometry: {
                        type: 'Point',
                        coordinates: [fromCenter.lng, fromCenter.lat]
                    },
                    text: qianxiData[i].from
                }
            );
            textData.push(
                {
                    geometry: {
                        type: 'Point',
                        coordinates: [toCenter.lng, toCenter.lat]
                    },
                    text: qianxiData[i].to
                }
            );

            var curve = mapv.utilCurve.getPoints([fromCenter, toCenter]);

            for (j = 0; j < curve.length; j++) {
                timeData.push({
                    geometry: {
                        type: 'Point',
                        coordinates: curve[j]
                    },
                    count: 1,
                    time: j
                });
            }

            lineData.push({
                geometry: {
                    type: 'LineString',
                    coordinates: curve
                    //coordinates: [[fromCenter.lng, fromCenter.lat], [toCenter.lng, toCenter.lat]]
                },
                count: 30 * Math.random()
            });

        }

        var data = geojsonDataSet.get({
            filter: function (item) {

                if (!citys[item.name]) {
                    return false;
                }

                item.count = citys[item.name];
                return true;
            }
        });
        geojsonDataSet = new mapv.DataSet(data);

        var mapVlayer = new mapboxgl.supermap.MapvLayer(geojsonDataSet, geojsonOptions);
        map.addLayer(mapVlayer);

        var textDataSet = new mapv.DataSet(textData);

        var textOptions = {
            draw: 'text',
            font: '14px Arial',
            fillStyle: 'white',
            shadowColor: 'yellow',
            shadowBlue: 10,
            zIndex: 11,
            shadowBlur: 10
        };
        var textLayer = new mapboxgl.supermap.MapvLayer(textDataSet, textOptions);
        map.addLayer(textLayer);

        var lineDataSet = new mapv.DataSet(lineData);

        var lineOptions = {
            strokeStyle: 'rgba(255, 250, 50, 0.8)',
            shadowColor: 'rgba(255, 250, 50, 1)',
            shadowBlur: 20,
            lineWidth: 2,
            zIndex: 100,
            draw: 'simple'
        };
        var lineLayer = new mapboxgl.supermap.MapvLayer(lineDataSet, lineOptions);
        map.addLayer(lineLayer);

        var pointOptions = {
            fillStyle: 'rgba(254,175,3,0.7)',
            shadowColor: 'rgba(55, 50, 250, 0.5)',
            shadowBlur: 10,
            size: 5,
            zIndex: 10,
            draw: 'simple'
        };


        var pointDataSet = new mapv.DataSet(pointData);

        var pointLayer = new mapboxgl.supermap.MapvLayer(pointDataSet, pointOptions);
        map.addLayer(pointLayer);


        var timeDataSet = new mapv.DataSet(timeData);

        var timeOptions = {
            fillStyle: 'rgba(255, 250, 250, 0.5)',
            zIndex: 200,
            size: 2.5,
            animation: {
                type: 'time',
                stepsRange: {
                    start: 0,
                    end: 50
                },
                trails: 10,
                duration: 2,
            },
            draw: 'simple'
        };
        var timeLayer = new mapboxgl.supermap.MapvLayer(timeDataSet, timeOptions);
        map.addLayer(timeLayer);

    });

</script>
</body>
</html>
